Contributor John Fay shares the lesson he learned while searching for his family's Irish ancestry. My Aunt Kathleen is the family genealogist. She literally wrote the book on our Irish American family ...

An Internet archive of Ellis Island immigration records is invaluable, genealogists say. "If your ancestors came here in the late 1800s, it's a wonderful research tool," said Margaret Harmon, a ...

Between 1892 and 1954, approximately 12 million immigrants arrived at the now-iconic Ellis Island to enter the U.S. — or nearly 200,000 legal entries per year. All were registered, documented, and ...